mfersaoui

mfersaoui

@zipit Thank you much.

mfersaoui

Hello,

I'm cleaning my code and I have some of questions about the best practices to prevent any cinema 4d app crash.

1 - Is it necessary to check if the object or tag it was created before inserting into the document?

Example:

obj = c4d.BaseTag(c4d.Onull)
tag = c4d.BaseTag(c4d.Tdisplay)

if not obj or not tag:
    return
    
obj .InsertTag(tag)

2- Is there a specific case to use the condition if value is None or if obj_or_tag is None instead of if not value or if not obj_or_tag

I've always used the if not value method.

Thanks

mfersaoui

Thank you @m_adam, is there examples for previous cinema 4d versions (r19, r20)?

mfersaoui

Hello,

I'm searching how can I dynamically colorize plugin icon like as the default C4D lights objects. I want to dynamically apply a color tint filter on my plugin object icon.

def Message(self, node, type, data):
      if type == c4d.MSG_GETCUSTOMICON:
          color = node[c4d.MYOBJECT_COLOR]:
          icon = c4d.bitmaps.InitResourceBitmap(PLUGIN_ID)

          """width = icon.GetBw()
          height = icon.GetBh()
          
          for y in xrange(height) :
            for x in xrange(width) :
                r,g,b = icon.GetPixel(x, y)
                #icon.SetPixel(x, y, r, g, b)"""
                      
          data['bmp'] = icon
          data["w"] = icon.GetBw()
          data["h"] = icon.GetBh()

          data['filled'] = True

Thanks.

mfersaoui

Hi, Thank you @r_gigante, @zipit for your replies.

The problem comes from the GetDDescription funtion because I use some of dynamic parameters on my objects.
It is for this reason that op.IsDirty(c4d.DIRTY_DATA) returning True when I Move, Scale, Zoom or Rotate the perspective view.

mfersaoui

Hello,

The following line of code is supposed returning True only if parameters of the object changed? But why it also returning True when my object selected and I Move / Scale / Zoom / rotate the perspective view.

# dirty = True if a cache is dirty or if the data (any parameters) of the object changed.
dirty = op.CheckCache(hh) or op.IsDirty(c4d.DIRTY_DATA)

Thanks.

mfersaoui

@indexofrefraction

Hi,
Here is a full example that you can test it on script manager:

# The following code allow to download a file and then save it on the desktop 
import c4d, os, math, urllib2
from c4d import gui

PLUGIN_ID = 99999999
            
class MyDialog(gui.GeDialog): 
    DOWNLOAD = 2000
    CLOSE = 2001
    STATE_GROUP = 2002
    PROGRESSBAR_GROUP = 2003
    PROGRESSBAR = 2004
    PROGRESS_TEXT = 2005

    def InitValues(self):
        self.HideElement(self.PROGRESSBAR_GROUP, True)
        self.LayoutChanged(self.STATE_GROUP)

        return True

    def StopProgress(self):
        progressMsg = c4d.BaseContainer(c4d.BFM_SETSTATUSBAR)
        progressMsg.SetBool(c4d.BFM_STATUSBAR_PROGRESSON, False)
        self.SendMessage(self.PROGRESSBAR, progressMsg)

    def CreateLayout(self):
                  
        self.GroupBegin(0, flags=c4d.BFH_SCALEFIT, rows=1, cols=1)
        self.SetTitle("File Downloader")    
 
        self.GroupBegin(0, c4d.BFH_SCALEFIT, cols=3)
        self.GroupBorderSpace(0, 5, 2, 5)
        
        self.AddButton(self.DOWNLOAD, flags = c4d.BFH_LEFT, inith = 13, name = "Download")  
        self.AddButton(self.CLOSE, flags = c4d.BFH_RIGHT, inith = 13, name = "Close")
        
        self.GroupEnd()

        if self.GroupBegin(id=self.STATE_GROUP, flags=c4d.BFH_SCALEFIT, rows=0, title="", cols=2, groupflags=0):

            self.GroupBegin(self.PROGRESSBAR_GROUP, c4d.BFH_LEFT, cols=2)
            self.GroupBegin(id=0, flags=c4d.BFH_LEFT, cols=1, rows=0)
            self.GroupBorderNoTitle(c4d.BORDER_THIN_IN)
            self.AddCustomGui(self.PROGRESSBAR, c4d.CUSTOMGUI_PROGRESSBAR, "", c4d.BFH_SCALEFIT|c4d.BFV_SCALEFIT,200, 8)        
            self.GroupEnd()
            self.GroupEnd()

            self.GroupBegin(id=0, flags=c4d.BFH_SCALEFIT, cols=1, rows=0)
            self.GroupBorderSpace(8,2,0,0) 
            self.AddStaticText(self.PROGRESS_TEXT, flags=c4d.BFH_SCALEFIT, initw=0, inith=16, name="", borderstyle=0)
            self.GroupEnd()
            self.GroupEnd()

            self.GroupEnd()

        self.GroupEnd()
        return True

    def convert_size(self, size_bytes):
        if size_bytes == 0:
           return "0B"
        size_name = ("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
        i = int(math.floor(math.log(size_bytes, 1024)))
        p = math.pow(1024, i)
        s = round(size_bytes / p, 2)
        return "%s %s" % (s, size_name[i])

    def chunk_read(self, response, chunk_size=8192):
        total_size = response.info().getheader('Content-Length').strip()
        total_size = int(total_size)
        bytes_so_far = 0
        
        progressMsg = c4d.BaseContainer(c4d.BFM_SETSTATUSBAR)
        progressMsg[c4d.BFM_STATUSBAR_PROGRESSON] = True

        data = b""

        while 1:
            chunk = response.read(chunk_size)
            bytes_so_far += len(chunk)

            if not chunk:
                break

            percent = float(bytes_so_far) / total_size
            percent = round(percent*100, 2)

            
            progressMsg[c4d.BFM_STATUSBAR_PROGRESS] = percent/100
            self.SendMessage(self.PROGRESSBAR, progressMsg)

            self.SetString(self.PROGRESS_TEXT, "Downloaded %s of %s bytes (%0.2f%%)\r" % (self.convert_size(bytes_so_far), self.convert_size(total_size), percent))
            data += chunk

        return data
    
    def Command(self, id, msg):

        if id == self.DOWNLOAD:
            self.HideElement(self.PROGRESSBAR_GROUP, False)
            self.LayoutChanged(self.STATE_GROUP)
            
            # path to save downloaded file on desktop
            write_path = os.path.join(c4d.storage.GeGetC4DPath(c4d.C4D_PATH_DESKTOP), 'zip_9MB.zip')
            response = urllib2.urlopen('https://file-examples.com/wp-content/uploads/2017/02/zip_9MB.zip')

            datatowrite = self.chunk_read(response)

            with open(write_path, 'wb') as f:
                f.write(datatowrite)
            
            self.HideElement(self.PROGRESSBAR_GROUP, True)
            self.LayoutChanged(self.STATE_GROUP)

            self.SetString(self.PROGRESS_TEXT, "")

            self.StopProgress()

        if id == self.CLOSE:
            self.Close() 

        return True

def main():
    
    Dlg = MyDialog()
    Dlg.Open(dlgtype=c4d.DLG_TYPE_MODAL, pluginid=PLUGIN_ID, defaultw=500, defaulth=120)

if __name__=='__main__':
    main()

mfersaoui

Hi,
I found the solution.

import urllib2

class Update(c4d.gui.GeDialog):
    UPDATE_BTN = 1000
    PROGRESS = 1001
    PROGRESSBAR = 1002
    state = ""

    def CreateLayout(self) :
        self.AddButton(self.UPDATE_BTN, flags = c4d.BFH_LEFT, inith = 13, name = "Update")
        self.AddStaticText(self.PROGRESS, flags=c4d.BFH_SCALEFIT, initw=0, inith=0, name=self.state, borderstyle=0)

        # How to taking the percentage value from the function chunk_report() and apply it to the following CUSTOMGUI_PROGRESSBAR
        self.GroupBegin(id=0, flags=c4d.BFH_LEFT, cols=1, rows=0)
        self.GroupBorderNoTitle(c4d.BORDER_THIN_IN)
        self.AddCustomGui(self.PROGRESSBAR, c4d.CUSTOMGUI_PROGRESSBAR, "", c4d.BFH_SCALEFIT|c4d.BFV_SCALEFIT,200, 8)        
        self.GroupEnd()

    def chunk_read(self, response, chunk_size=8192):
        total_size = response.info().getheader('Content-Length').strip()
        total_size = int(total_size)
        bytes_so_far = 0
        
        progressMsg = c4d.BaseContainer(c4d.BFM_SETSTATUSBAR)
        progressMsg[c4d.BFM_STATUSBAR_PROGRESSON] = True

        while 1:
            chunk = response.read(chunk_size)
            bytes_so_far += len(chunk)

            if not chunk:
                break

            percent = float(bytes_so_far) / total_size
            percent = round(percent*100, 2)

            progressMsg[c4d.BFM_STATUSBAR_PROGRESS] = percent/100
            self.SendMessage(self.PROGRESSBAR, progressMsg)
            self.SetString(self.PROGRESS, percent)

    def Command(self, id, msg):

        if id == self.UPDATE_BTN :
            filedata = urllib2.urlopen('https://www.domainname.com/file.zip')
            self.chunk_read(filedata)

mfersaoui

Hi,
I found the following functions on a stackoverflow topic, and I want to apply it on c4d.gui.GeDialog.
I put more details in the code:

import urllib2

def chunk_report(bytes_so_far, chunk_size, total_size):
    percent = float(bytes_so_far) / total_size
    percent = round(percent*100, 2)

    sys.stdout.write("Downloaded %d of %d bytes (%0.2f%%)\r" % 
        (bytes_so_far, total_size, percent))

    if bytes_so_far >= total_size:
        sys.stdout.write('\n')

def chunk_read(response, chunk_size=8192, report_hook=None):
   total_size = response.info().getheader('Content-Length').strip()
   total_size = int(total_size)
   bytes_so_far = 0

   while 1:
      chunk = response.read(chunk_size)
      bytes_so_far += len(chunk)

      if not chunk:
         break

      if report_hook:
        report_hook(bytes_so_far, chunk_size, total_size)

   return bytes_so_far

class Update(c4d.gui.GeDialog):
    UPDATE_BTN = 1000
    PROGRESS = 1001
    PROGRESSBAR = 1002
    state = ""

    def CreateLayout(self) :
        self.AddButton(self.UPDATE_BTN, flags = c4d.BFH_LEFT, inith = 13, name = "Update")
        self.AddStaticText(self.PROGRESS, flags=c4d.BFH_SCALEFIT, initw=0, inith=0, name=self.state, borderstyle=0)

        # I want take the percentage value from the function chunk_report() and apply it to the following CUSTOMGUI_PROGRESSBARCUSTOMGUI_PROGRESSBAR
        self.GroupBegin(id=0, flags=c4d.BFH_LEFT, cols=1, rows=0)
        self.GroupBorderNoTitle(c4d.BORDER_THIN_IN)
        self.AddCustomGui(self.PROGRESSBAR, c4d.CUSTOMGUI_PROGRESSBAR, "", c4d.BFH_SCALEFIT|c4d.BFV_SCALEFIT,200, 8)        
        self.GroupEnd()

    def Command(self, id, msg):

        if id == self.UPDATE_BTN :
            filedata = urllib2.urlopen('https://www.domainname.com/file.zip')
            chunk_read(filedata, report_hook= chunk_report)

            self.SetString(self.PROGRESS, "Or showing the write result of chunk_report() function here?") # <---

Thanks

mfersaoui

@zipit
Hi,
Thank you.

mfersaoui

@mfersaoui

Posts made by mfersaoui